Mesa-solo builds with these changes. There are still more fixups needed to

get individual drivers working again. This converts miniglx to the new
dri interface. Thanks to Erdi Chen for the new interface code.

src/mesa/drivers/dri/common/dri_util.h

@@ -558,6 +558,9 @@ extern float
 driCalculateSwapUsage( __DRIdrawablePrivate *dPriv,
 		       int64_t last_swap_ust, int64_t current_ust );
 
+extern void 
+(*glXGetProcAddress(const GLubyte *procname))( void );
+
 #endif /* GLX_DIRECT_RENDERING */
 
 #endif /* _DRI_UTIL_H_ */